راه حل نظارت COFDM برای انتقال ویدیوی بی سیم

In the field of surveillance and security, قابل اعتماد انتقال تصویر بی سیم is essential. Traditional Wi-Fi or analog links often fail in دوربرد یا غیر خط دید (NLOS) محیط ها. This is where COFDM surveillance solutions stand out, ارائه پایدار, رمزگذاری شده است, و انتقال ویدئو با تاخیر کم over challenging terrains.

اخیرا, many customers have shown interest in implementing COFDM wireless technology برای vehicle-mounted cameras, 360° surveillance systems, and control room monitoring. Let’s explore the key requirements و hidden needs that often come with deploying a COFDM surveillance solution.


Customer’s Expressed Requirements

  1. COFDM Wireless Solution
    • Vehicle-mounted COFDM transmitters with 360° cameras.
    • Centralized گیرنده COFDM in the control room.
  2. Application Scenario
    • طراحی شده برای land-based surveillance and security: وسایل نقلیه, ground personnel, and control centers.
  3. باند فرکانس
    • Must comply with AS923-1 frequency band (used across Asia-Pacific for wireless communication).
    • فرکانس سفارشی, we can do the working frequency from 170-6000MHz for you.
  4. محدوده انتقال
    • Maximum possible long-range wireless video transmission.
    • Clarification needed for both خط دید (LOS) و غیر خط دید (NLOS) coverage.
COFDM Surveillance Solution for Wireless Video Transmission
راه حل نظارت COFDM برای انتقال ویدیوی بی سیم

Hidden Needs for COFDM Surveillance Systems

While customers usually list the basics, many critical requirements are not mentioned explicitly. آ professional COFDM surveillance solution should consider the following:

1. کیفیت ویدیو & تأخیر

  • Required resolution: HD, فول اچ دی, or 4K.
  • Real-time response with زمان تاخیر کم (<100ام‌اس).
  • Efficient compression (H.265/H.264) for better bandwidth usage.

2. تحرک & ثبات

  • Support for high-speed vehicle movement (پلیس, نظامی, emergency).
  • Doppler-resistant COFDM modulation for uninterrupted reception.

3. قدرت & Ruggedization

  • Vehicle-compatible power supply (DC 12V/24V).
  • Rugged design: ضد آب, ضد گرد و غبار, مقاوم در برابر ضربه.

4. Control Room Integration

  • Multiple output formats: HDMI, SDI, جریان IP (RTSP/UDP).
  • Option for multi-channel reception to monitor several vehicles simultaneously.

5. امنیت & رمزگذاری

  • AES-128/256 encryption for secure video feeds.
  • Authentication to prevent interception of surveillance data.

6. مقیاس پذیری

  • Expansion to cover multiple vehicles and personnel.
  • COFDM Mesh Networking or relay mode for extended range.

7. رعایت مقررات

  • Legal operation within the AS923-1 frequency band.
  • Certification and licensing support for local regulations.

8. Ease of Deployment

  • Plug-and-play setup with existing security infrastructure.
  • Portable handheld receivers for security staff in the field.
  • Software integration with NVR systems or cloud-based monitoring.

Example of a Complete COFDM Surveillance Solution

A well-designed COFDM surveillance system for land use may include:

  • فرستنده COFDM: Mounted on vehicles with 360° PTZ or panoramic cameras.
  • گیرنده COFDM: Installed in the control room with HDMI/IP output to large displays or video servers.
  • Mobile Receivers: Portable units for ground security teams.
  • Mesh or Relay Nodes: To extend long-range wireless video transmission in NLOS environments.
  • رمزگذاری & امنیت: AES-256 to ensure data protection.
  • Frequency Compliance: Fully tuned for AS923-1 frequency band عملیات.

نتیجه گیری

When planning a COFDM surveillance solution, customers should not only focus on transmitters and receivers but also consider:

  • Video quality and latency برای تصمیم گیری در زمان واقعی.
  • Encryption and frequency compliance for secure and legal operation.
  • Scalability and integration with control rooms and mobile teams.

By addressing these hidden needs, الف COFDM-based long-range wireless video transmission system can deliver پایدار, امن, and mission-ready surveillance performance, whether in خط دید یا غیر خط دید محیط ها.

If you are exploring COFDM surveillance solutions using AS923-1 frequency band or other customized frequency, consider the complete ecosystem — transmitters, گیرنده ها, network integration, and regulatory compliance — to achieve maximum efficiency and reliability.

We currently customize two products according to the customer’s demand on COFDM Surveillance Solution for Wireless Video Transmission.

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